Adaptive backstepping control for flexible-joint manipulator using interval type-2 fuzzy neural network approximator

S Dian, Y Hu, T Zhao, J Han - Nonlinear Dynamics, 2019 - Springer
In this paper, an adaptive backstepping controller based on interval type-2 fuzzy neural
network (IT2FNN) approximator is proposed for flexible-joint manipulator with mismatched …

Delta-operator-based extended disturbance observer and its applications

D Ginoya, PD Shendge… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
In this paper, a delta-operator-based discrete-time disturbance observer (DO) is proposed
for a class of uncertain systems. The proposed observer not only estimates disturbances but …

Fractional neural observer design for a class of nonlinear fractional chaotic systems

A Sharafian, R Ghasemi - Neural Computing and Applications, 2019 - Springer
In this paper, a novel observer structure for nonlinear fractional-order systems is presented
to estimate the states of fractional-order nonlinear chaotic system with unknown dynamical …

Backstepping Control for Flexible Joint with Friction Using Wavelet Neural Networks and L2‐Gain Approach

M Chu, Q Jia, H Sun - Asian Journal of Control, 2018 - Wiley Online Library
In this study, a new backstepping control scheme is proposed to deal with the high accuracy
flexible joint servo system's position control. Based on the introduction of non‐consecutive …

Robust observer-based control of nonlinear multi-omnidirectional wheeled robot systems via high order sliding-mode consensus protocol

MRR Khoygani, R Ghasemi, P Ghayoomi - International Journal of …, 2021 - Springer
This paper presents a novel observer-based controller for a class of nonlinear multi-agent
robot models using the high order sliding mode consensus protocol. In many applications …

Fuzzy fractional sliding mode observer design for a class of nonlinear dynamics of the cancer disease

S Rooka, R Ghasemi - International Journal of Automation …, 2018 - inderscienceonline.com
The purpose of this paper is designing to optimise controller parameters for improvement of
the performances of cancer dynamic by combining both TS fuzzy sliding mode method and …

A method for detection and quantification of meshing characteristics of harmonic drive gears using computer vision

DH Ma, JN Wu, SZ Yan - Science China Technological Sciences, 2016 - Springer
A lack of accurate description of the meshing characteristics and the corresponding frictional
mechanism of the harmonic drive gear has limited progress toward modeling the hysteresis …

Robotic manipulation skill acquisition via demonstration policy learning

D Liu, B Lu, M Cong, H Yu, Q Zou… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Current robots can perform repetitive tasks well, but are constrained to environment and task
variations. Teaching a robot by demonstration is a powerful approach to solve the problem …

Neural estimation using a stable discrete-time MLP observer for a class of discrete-time uncertain MIMO nonlinear systems

MR Rahimi Khoygani, R Ghasemi - Nonlinear Dynamics, 2016 - Springer
This paper has proposed a novel class of the stable discrete-time multilayer perceptron
(MLP) neural observer for a class of discrete-time multiple-input multiple-output uncertain …

Stable state dependent Riccati equation neural observer for a class of nonlinear systems

A Sharafian, R Ghasemi - International Journal of Modelling …, 2017 - inderscienceonline.com
This paper proposes a new methodology for state estimation of a class of nonlinear systems.
Owing to hard nonlinearity of some complex systems, the performance of linearisation …